Desmond Gavan Duffy1 
Philip Cormac Gavan Duffy1 
He was educated at St. Patrick’s College, Melbourne, Victoria, AustraliaG.1 He was educated at Xavier College, Melbourne, Victoria, AustraliaG.1 He was with Victoria Government Railways.1 He was with Siam Railways.1 He was with the Pubic Works Department, Western Australia.1 He was with the Coolgardie Water Scheme, Western Australia.1 He lived at Perth, Western Australia, AustraliaG.1
Children of Philip Cormac Gavan Duffy and Grace Mary Archer
- Geraldine Mary Gavan Duffy2 b. 8 Feb 1894
- Margaret Germaine Gavan Duffy2 b. 12 Nov 1895
- William Charles Joseph Gavan Duffy+2 b. 26 Oct 1901
- Grace Gavan Duffy2 b. 9 Feb 1907
William Henry Archer1
Child of William Henry Archer
- Grace Mary Archer+2 d. 1925
Grace Mary Archer1 
From 1893, her married name became Gavan Duffy.
Children of Grace Mary Archer and Philip Cormac Gavan Duffy
- Geraldine Mary Gavan Duffy2 b. 8 Feb 1894
- Margaret Germaine Gavan Duffy2 b. 12 Nov 1895
- William Charles Joseph Gavan Duffy+2 b. 26 Oct 1901
- Grace Gavan Duffy2 b. 9 Feb 1907
William Charles Joseph Gavan Duffy1
He was educated at Aquinas College, Perth, Western Australia, AustraliaG.1 He graduated from University of Western Australia, Perth, Western Australia, AustraliaG, in 1923 with a Bachelor of Arts (B.A.)1 He graduated from London School of Economics, London, EnglandG, in 1929 with a Bachelor of Commerce (B.Com.)1 He was Manager of the Western Australia Reserve Bank of Australia between 1963 and 1966.1 He lived in 1976 at 51 Red Chapel Avenue, Sandy Bay, Tasmania, AustraliaG.1
Child of William Charles Joseph Gavan Duffy and Edith Olive Marjorie Stevens
- Marjorie Patricia Mary Gavan Duffy+2 b. 14 Aug 1930
Marjorie Patricia Mary Gavan Duffy1
From 28 November 1953, her married name became Spring.1 She was a nurse.1
Children of Marjorie Patricia Mary Gavan Duffy and Thomas Francis Spring
- Stephen Francis Spring2 b. 25 Oct 1954
- William Francis Spring2 b. 7 Apr 1956
- Susan Mary Spring2 b. 15 Apr 1958
- Mary Joanne Spring2 b. 8 Jan 1961
- Nanette Mary Spring2 b. 24 Jan 1962
- Philippa Mary Spring2 b. 25 May 1964
- Kristin Patricia Spring2 b. 30 Mar 1974
Stephen Francis Spring1
He was educated at Xavier College, Melbourne, Victoria, AustraliaG.1 He was educated at Monash University, Melbourne, Victoria, AustraliaG.1
William Francis Spring1
At Xavier College, Melbourne, Victoria, AustraliaG, (an unknown value.)1 He was educated at Melbourne University, Melbourne, Victoria, AustraliaG.1
Susan Mary Spring1
Mary Joanne Spring1
